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Summary

2/21/2016

-Added a new version fixing overhang.
-Tested with extruder. Feeds clean. Although I really recommend canola.

Edit: Make sure to print this in the orientation it appears in the picture. Printing upside down will not print correctly due to the cavity being modeled a certain way. To be frank, it's a blessing it works as it does, it's basically a science that I've learned from other models to create and there's a lot of calculating that goes into its sizing. I'll definitely make the threading entry cleaner, and perhaps someday make a revamp. If there's any tweaking I can do to the cavity to make it easier to print I surely will.

This is a completely original make of a bowden 6-1 splitter. I'm now making my previous release defunct. I'll have the files up for a while but it'll soon be completely done.

Should work, may be some clicking when it goes in but nothing that will halt an extruder if it's printed correctly.

A little canola doesn't hurt.

This is version .5 alpha. RC1.

If anyone had trouble with the last one, my apologies, didn't think it would be this advanced of a task. Definitely learned along side.

Print this with no supports, if it seems like it needs them, there's something wrong with your printer.

Overview and Background

6 in 1 bowden

This is a simple print to allow 6 to 1 bowden printing. This wont mix colors but you can select them from each roll. Should just require some retraction editing and install.

To be clear, this will allow you to print multicolor models assuming you configure the settings correctly and install a cnc v3 shield to a RAMPS style setup with the right wires, jumpers, stepper drivers, cables, and power.

From page: "This method [cnc v3 shield] can be used to add up to 4 extra motors while still leaving 4 IO pins, fan extender, and LCD functional. There is no need to go buy an expensive board meant for a kraken because we only use 1 heater."

If you scroll down this wiki you will find the correct setup instructions. "RAMPS using CNC Shield" Good luck.

Compact bowden extruder (what the first one is based off of). The video in this thing page has the correct instructions for calibrating e-steps. Even if you don't utilize the extruder, watch the video.

example: http://amzn.to/2CyY4G0 I have two of these. They work amazing, you may want to order your own springs. Smooth prints. Reprap Champion seem constantly sold out so don't be afraid of these ones. Metal is better but sometimes you cant fit 6 of them.

Just a little contructive criticism: none of these orientations will print correctly. Why not make it a simple conical shape with a hemisphere at the bottom of the 6 entry holes? Will prepare a mockup later...

Printing in install orientation will always be tricky because there will be that iregular shape in the center that needs to be printed as a bridge. So prinng it upside down with added supports to the STL that to be cut later seems a better option to me. Just a thin 0.8mm triangles spaced 4-6mm maybe? The center section where the 6 pipes meet looks better that way. And even if there are defects in entry threads they will not affect the working of the piece.

I thought about printing upside down but due to the angle it's a bit difficult. I intended for this model to be printed at .1 mm because of the small thread size but I'll see what I can do. I removed any overhang though so it should just print right-side up. There were some corners hanging but I fixed them. Even with bigger thickness it should print; however, thicker lines was not the intention of this model so I can't guarantee anything even if I do more modifications. I published a new version. Thank you!

0.8 that I mentioned is the thickness or those triangular supports I suggested in the previous picture - 2x0,.4 - 2 lines of fillament with 0.4mm nozzle so to be uninterrupted contour and easy to cut. Not the layer thickness. Also both STLs look exactly the same. I overlapped them in FreeCad and there is no visible difference. Are you sure the second file you exported/uploaded is the correct one?

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